IBM Aspera Faspex: attackers can gain admin rights
OFFICIAL NAME: IBM Aspera Faspex Authorization Bypass
DO THIS FIRSTFind out if you use it. If you do, apply the vendor's fix. Not sure if you use it? Send this page to your IT provider or security lead and ask.
TECHNICAL SUMMARY IBM Aspera Faspex 5.0.0 through 5.0.19 could allow an authorized user to craft a specific message to bypass user authorization and gain full administrative privileges.
WHY THIS VERDICT Attacks are confirmed. The vulnerability is 4 days old, so many systems are likely still unpatched. The severity score is critical (9.8).
WHY IT RANKS HERE Exploitation is confirmed by an authoritative source. The confirmation is 2 days old.
- HIGHEST CONFIRMED RUNG
- EXPLOITED
- CISA KEV
- LISTED
- EXPLOIT CODE
- PROOF OF CONCEPT CLAIMED
How far has it climbed?
01 TALK
■ CONFIRMEDNEWEST EVIDENCE · 2 INDEPENDENT SOURCESCVE-2026-123218 discussed publicly (CIRCL sighting). CVE-2026-123218 discussed publicly (CIRCL sighting).
02 EXPOSED
□ NOT TRACKED YETNO SOURCE FOR THIS STEP YETWe have no source that counts exposed systems yet. Internet scan data needs a partnership we do not have. No evidence here does not mean nothing is exposed.
03 TRIED
■ CONFIRMEDNEWEST EVIDENCE · 3 INDEPENDENT SOURCESAttacks that worked are confirmed (step 4), so attempts count as confirmed too.
- SRC: CIRCL Vulnerability-Lookup sightings: Exploitation of CVE-2026-123218 reported (CIRCL sighting) · NOV 10
- SRC: CVE List V5 and CISA Vulnrichment: CISA Vulnrichment marks CVE-2026-123218 as actively exploited · NOV 8
- SRC: CISA Known Exploited Vulnerabilities: IBM Aspera Faspex Incorrect Authorization Vulnerability · NOV 8
04 EXPLOITED
■ CONFIRMEDNEWEST EVIDENCE · 3 INDEPENDENT SOURCESExploitation of CVE-2026-123218 reported (CIRCL sighting). CISA Vulnrichment marks CVE-2026-123218 as actively exploited.
- SRC: CIRCL Vulnerability-Lookup sightings: Exploitation of CVE-2026-123218 reported (CIRCL sighting) · NOV 10
- SRC: CVE List V5 and CISA Vulnrichment: CISA Vulnrichment marks CVE-2026-123218 as actively exploited · NOV 8
- SRC: CISA Known Exploited Vulnerabilities: IBM Aspera Faspex Incorrect Authorization Vulnerability · NOV 8
05 DAMAGE
□ NOT TRACKED YETNO SOURCE FOR THIS STEP YETBreach notices and filings rarely name the flaw that was used, so we cannot link them to this event yet. No evidence here does not mean no harm.
When each thing happened
- DISCLOSED
- EXPLOIT CODE PUBLICCLAIMED
- FIRST ATTACK REPORT
- CISA KEV LISTING
- US FEDERAL DEADLINE
THE FIX
CISA's instruction: apply the vendor's fix, or stop using the product if no fix exists. CISA set Nov 12, 2026 as the deadline for US federal agencies. It is a US government deadline; use it as a guide.
Questions to ask this week
- Do we run IBM Aspera Faspex? If yes, is it patched or cut off from the internet?
- Who owns fixing it, and by what date?
- Have we checked for signs of attack since the first report, not just since the patch?
How it unfolded
- Attack activity. NOV 8, 2026CISA Vulnrichment marks CVE-2026-123218 as actively exploited
- Attack activity. NOV 8, 2026IBM Aspera Faspex Incorrect Authorization Vulnerability
- NOV 9, 20261 public GitHub repository claims a proof of concept for CVE-2026-123218
- NOV 9, 2026CISA Warns of Active Exploitation of OpenSSH, GPUStack, FreeSWITCH, and IBM Flaws
- Attack activity. NOV 10, 2026Exploitation of CVE-2026-123218 reported (CIRCL sighting)
- NOV 10, 2026CVE-2026-123218 discussed publicly (CIRCL sighting) (8 reports)
SOURCES
- [1] CIRCL Vulnerability-Lookup sightings: CVE-2026-123218 discussed publicly (CIRCL sighting), NOV 10
- [2] CIRCL Vulnerability-Lookup sightings: Exploitation of CVE-2026-123218 reported (CIRCL sighting), NOV 10
- [3] The Hacker News: CISA Warns of Active Exploitation of OpenSSH, GPUStack, FreeSWITCH, and IBM Flaws, NOV 9
- [4] PoC-in-GitHub: 1 public GitHub repository claims a proof of concept for CVE-2026-123218, NOV 9
- [5] CVE List V5 and CISA Vulnrichment: CISA Vulnrichment marks CVE-2026-123218 as actively exploited, NOV 8
- [6] CISA Known Exploited Vulnerabilities: IBM Aspera Faspex Incorrect Authorization Vulnerability, NOV 8
- [7] CIRCL Vulnerability-Lookup sightings: 7 more reports